SE8603347D0 - Bullerminskning vid flygplanspropellrar - Google Patents

Bullerminskning vid flygplanspropellrar

Info

Publication number
SE8603347D0
SE8603347D0 SE8603347A SE8603347A SE8603347D0 SE 8603347 D0 SE8603347 D0 SE 8603347D0 SE 8603347 A SE8603347 A SE 8603347A SE 8603347 A SE8603347 A SE 8603347A SE 8603347 D0 SE8603347 D0 SE 8603347D0
Authority
SE
Sweden
Prior art keywords
noise reduction
blades
propellers
airplane propellers
propeller
Prior art date
Application number
SE8603347A
Other languages
English (en)
Other versions
SE465870B (sv
SE8603347L (sv
Inventor
A P Adamson
Original Assignee
Gen Electric
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gen Electric filed Critical Gen Electric
Publication of SE8603347D0 publication Critical patent/SE8603347D0/sv
Publication of SE8603347L publication Critical patent/SE8603347L/sv
Publication of SE465870B publication Critical patent/SE465870B/sv

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Wind Motors (AREA)
  • Exhaust Silencers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Toys (AREA)
SE8603347A 1985-08-09 1986-08-07 Propelleranordning samt saett att driva denna foer bullerminskning SE465870B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76414485A 1985-08-09 1985-08-09

Publications (3)

Publication Number Publication Date
SE8603347D0 true SE8603347D0 (sv) 1986-08-07
SE8603347L SE8603347L (sv) 1987-02-10
SE465870B SE465870B (sv) 1991-11-11

Family

ID=25069809

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8603347A SE465870B (sv) 1985-08-09 1986-08-07 Propelleranordning samt saett att driva denna foer bullerminskning

Country Status (7)

Country Link
JP (1) JPS6271800A (sv)
CN (1) CN1010205B (sv)
DE (1) DE3626192A1 (sv)
FR (1) FR2586130B1 (sv)
GB (1) GB2179706B (sv)
IT (1) IT1198021B (sv)
SE (1) SE465870B (sv)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4913376A (en) * 1988-10-21 1990-04-03 Black Franklin E VTLH autogyro
US5169288A (en) * 1991-09-06 1992-12-08 General Electric Company Low noise fan assembly
US6817831B2 (en) 2002-03-15 2004-11-16 Robert Bosch Corporation Engine-cooling fan assembly with overlapping fans
GB0702608D0 (en) * 2007-02-10 2007-03-21 Rolls Royce Plc Aeroengine
GB2482333A (en) * 2010-07-30 2012-02-01 Ge Aviat Systems Ltd Aircraft propeller
US10522166B2 (en) * 2015-01-20 2019-12-31 Dolby Laboratories Licensing Corporation Modeling and reduction of drone propulsion system noise
CN108602554B (zh) * 2015-12-18 2022-01-07 亚马逊科技公司 操作具有第一组螺旋桨和第二组螺旋桨的飞行器的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB492489A (en) * 1937-11-25 1938-09-21 Hermann Honnef Improvements in and relating to wind-operated power generators
GB521868A (en) * 1938-11-29 1940-06-03 Napier & Son Ltd Improvements in or relating to propelling or impelling apparatus of the axial flow type
FR2367660A1 (fr) * 1976-10-14 1978-05-12 Gueguen Alain Gilbert Application du dephasage des ondes sonores
SE433599B (sv) * 1981-03-05 1984-06-04 Volvo Penta Ab Dubbelpropellerdrev for batar
DE3519226A1 (de) * 1985-05-30 1986-12-04 Boris Alekseevič Stupino Moskovskaja oblast' Česnokov Triebwerk von luftfahrzeugen

Also Published As

Publication number Publication date
JPS6271800A (ja) 1987-04-02
DE3626192A1 (de) 1987-02-19
FR2586130A1 (fr) 1987-02-13
GB8613547D0 (en) 1986-07-09
SE465870B (sv) 1991-11-11
GB2179706A (en) 1987-03-11
IT8621463A1 (it) 1988-02-08
FR2586130B1 (fr) 1989-12-22
IT1198021B (it) 1988-12-21
SE8603347L (sv) 1987-02-10
IT8621463A0 (it) 1986-08-08
GB2179706B (en) 1990-04-18
CN86105565A (zh) 1987-02-04
CN1010205B (zh) 1990-10-31

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